Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    8.247609E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T16:48:29+0800
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    1 Object 1

    AOE ID 64006
    NORAD ID 64006
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 68405
    NORAD ID 68405
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter STARLINK-33931 SHIYAN-33
    Time of Closest Approach 2026-09-05T21:45:07+0000
    Collision Probability (Pc) 8.247609E-6
    Conjunction Distance (km) 1.342 km
    Relative Speed (km/s) 11.616 km/s
    Conjunction Risk Parameters R (Radial): 0.301 | I (In-track): -0.843 | C (Cross-track): 0.999
    Collision Risk Index (CRI) 0.53
    X Position (km) 4395.996 4396.807
    Position Y (km) -2427.793 -2427.289
    Position Z (km) -4678.948 -4678.006
    Velocity X (km/s) 3.75 3.81
    Velocity Y (km/s) 6.63 -3.646
    Velocity Z (km/s) 0.084 5.498

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-33931 SHIYAN-33
    Semimajor Axis (a) 6861.246 km 6861.691 km
    Eccentricity (e) 0.000131 0.002017
    Inclination (i) 43.0025° 97.4552°
    RAAN 67.4978° 323.1187°
    Perigee Argument 267.0877° 29.4790°
    Mean Anomaly (M) 92.9824° 330.7582°
    Apogee 484.010 km 497.393 km
    Perigee 482.208 km 469.715 km
    Orbit Epoch 2026-09-04T13:11:08+0000 2026-09-04T22:21:26+0000

    STARLINK-33931 & SHIYAN-33 Collision Probability (Pc) Trend

    STARLINK-33931 & SHIYAN-33 Collision Probability (Pc) TrendNot Available

    STARLINK-33931 & SHIYAN-33 Miss Distance (Miss Distance) Trend

    STARLINK-33931 & SHIYAN-33 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-33931Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    SHIYAN-33Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-33931Collision Probability Trend

    Object 1 Probability TrendNot Available

    SHIYAN-33Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-33931

    No nearby objects data